Automobile sledge.



' f z E. A. REMEZY.

AUTOMOBILE SLEDGE.

' APPLICATION IILBD AUG. 28, 1911.

1,066,438. l Panntd July 1, 1913.

3 SHEETS-SHEET 1.

WITNESSES l l E. A. *REMEZ AUTOMOBILE SLEDGE. APPLIUATION FILED Amma, 1911.

3 BHEBTBBHBET 2.

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ws'mass 1 ,NMWGR im ai J "wu w Patented July 1, 1913.

B.A.RMZY.

AUTOMOBILE SLEDGE.

* I APPLICATION FILED AUG. Z8, 1911. l 1y0669438m` 3 SHEETS-SHEET 3. mg C2 luvENToa. Or/MWL A .www

Patented Ju1y1, 1913.

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nmrtortlo AUGUSTIN seminar, or LIsLn-sunsonuun runnen.

AUTOVIBLE SLEDGE.

Specification of Letters Patent.

'.atenled July .l 'l 91.3.

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Application fxledAugust 28, 1911. Serial No. 646.540.

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I lilo it. known that l, llmroun il'uonsriu ltimnzr', acitizen ot the Republic .ol 7." ..1 .l A n il.` rame, and a resident of llsle'sur-Sorgue,

= trepar-talent oit Vaucluse,` F'ance, have invented certain new and useful Improvements in Automobile 'lled'ges, ol which the follow ing"l is a specification.'

Elfi

' This inventionrelates to an automobile Sledge 'and' has for its object one which is characterized by' propellers constituted by a.

drum' or cylindrical core .with spherical or spindle shaped extremities, provided upon its outer surface with helicoidal projections of special lor'nn.y

- tteinpts have already been .made to utilize propeller screws (Archimedeau screws) vtor the propulsion of automobile sledges but ,itl has been lound that this type of propeller was `only suitable for running on very hard froae'n ground. and did notl`v furnish goed' results 'when running in snow.

, l't will` be understood that in snow which is not consistent` these propellers can obtain no .hold :undy therefore. cannot ell'ect an advanceY they are constituted exert a pressure upon. the snow renderinlf' :t compact and ot sutilcient consistency 'lf'or the helical projections With vvhiclr thesey drums are provided to cause the vehicle to advance in bearing upon the snow thus compressed.

The invention isl illustrated. by way of example in the accoinl'ianying drawing7 in which:

Figure ll is an elevation partly in section. Fig. 2 is a correspondinelr plan, the body here being ren'ioved in order to show theV details of the mechanism. fl is a section on the line BMS in Fig. l.. Fig. il a rear elevation partly in section. Fig'. 5 represents a detached propeller.

The propelhufs A are formed, by a cyl1ndrical corea terminati-n" slviindle-shaped portions o" and provided with helicoidal projections u2 which are constituted toward the rear by a helicoidal surface u (propeller surface) which is substantially 'normal to the generating lines of theeore and toward the front by a gradual. :incline at the form around tli'eii'axes l in such al manner as to balance the clitoris. lheso axes lil are constituted at the rear by a eylini'lrica'l"portion b journaled in aI ball bearingr b' comprising in front a bearing collar I): held in a ball bearing b3; their opposite movements are4 produced by means ot universahjointf-shafts b operated by the niotor by means ol a bevel pinion or other suitable transmission.

According to the consistency of the snow it is 'necessary that the propellers should penetrate the sanie-to'sueh an extent as to exert.y upon it a greater or lessl i'fonipression. To this end the propcllers are mounted in a manner which `willhereinafter be described upon a false chassis C able to slide vertically in guides rf'integral with the chassis l) ot' the vehicle; a screw a .driven for example through a worm gear 02 operated by means of a hand wheel ll arranged within reach of the driver when rotating in its nutI c3 raises or lowers the false chassis C and conL4 sequently the in'opellcrs.. .ln order to pro-V vide flor a .certain degree ol" elasticity in the connection'between theflalse chassis G and the chassis l) the nut c is capable ot' longh tudinal iflisplacenient without.rotating relatively to the :t'alse chassis C which is pressed ports f, the rods f2 of which slide in tubes 100 .f3 integral with the false chassis C; springs f* of suitable resiliency bear at'one end on the false chassis C and at the' other end upon the collars'j5 of the rods4 and y1eld when, one of the propel-1ers encounters an 105 inequality in the surface bf the ground being traversed. I

The chassis D which supports the motor G- andthe bqdy Work is mounted in the ordinary manner upon'skates or runners H 110 and I; the parts are protected by means of a gear case K a portion or which is shown in the drawing as removed.

When traveling on ice or ori frozen ground the-.depth of the propellers .is reguf lated vby means'of the hand Wheel E in to it such a'consistency that the propelling helicoidal surfaces a3 'causethelvehicle to. advance. The. inequalities of theground encountered do not in any Way aiiect the running of the apparatus owing -to the fact that the movements of the propellers are independent of each other. It Will be underst odthat theinvention is not strictlylimited to the constructional4 details described vabove which are given by Way of example only. The propellers may be of hollow metal orof Wood reinforced .by metal and' comprise a variable number of' convolutions. n p

Vhat I claim and desire tosecure by Letters Patent of the United States is l. An automobile Sledge 'comprising as propelling means a" longitudinally disposed drum'coned at its front end and provided: throughout the major'p'ortion of its length" With a helicoidal projection substantially Wedge-shaped in cross section with 'the ineline of the Wedge forwardly directedand substantially merging vat itsforivard edge v lwith the surfaceof' the Yd rum and the rear described. .3. An automoblle sledge comprismg as or propeller face of said projection having a developmentv substantially `normal to the generating linesA of thedrum .axis. y

2.' An automobile Sledge -comprising as propelling means, a longitudinally disposed drum and a helicoidal projection extending substantially the length .of the latter, the peripheral surface of said projection being forwardly Iinclined t-oivardthe axis of the drum, in combination ,with a main chassis7 runners supporting the. same and a"false chassis, and means formountingsaid propellermeanson the latter, substantially as propelling meansya longitudinally disposed i drum and a helicoidal rojection' extending substantially'the lengtrof the lat-ter, the peripheral'surface of said projection being forwardlyuinclined toward the axis'of'the drum, 1n combination with a main chassis,

runners supporting the same and .a false chassis, and means for mounting said propeller means on the latter, together. with vmeans for .vertically regulating the main and false'chassis with relationto each other. 4. An automobile sledge compising, as propelling means', a pair of longitudinally disposed drums, helicoidal .projections extending substantially the length @fea-ch. of said drums -and oppositely arranged thereon, the peripheral surfaces of said projections being-forwardly inclined toward the axis of.

the. drum, in combination with "a main chassis and runners for supporting the same togetherwith a'secondary chassis connected with vertical adjustability -to `the lmain chassis land independent mountings vfor Said drums thereon. whereby said drums aresepa-l rately displaceableto accommodate themselves individually to the unevenness of the stantially as described..

Vsurface `on which they are traveling, sub- 4comprising a longitudinally 4disposed drul c'oned at its front end and provided with, a helicoidal projection extending substantially .the length 'ofthe drum, the peripheral surface of .said projection being forwardly inclined toward the 4axis of theldrum and the rear or propeller face o f ysaid projection' having' a development' substantially normal to the generating lines of -the drum, sub- 'stantially as described.

In testimony whereof I vhavesigned my name to't-his specification, in the presence of tivo subscribingv Witnesses. n

EDMOND AUGUSTIN REMEZY. 71'iVitne-sses: I f

CUYENEDEUTOWN, LEOPOLD SERRET.

same,in combination with a false' chassisv 

